ecosystem collapse
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C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
C1 noun /ˌekspəˈzɪʃən/

exposition

Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
C1 verb /ɪɡˈzæspəˌreɪt/

exasperate

Meaning
to irritate or annoy intensely
Example
His constant complaints began to exasperate his coworkers.
C1 noun /ˈɛpɪθɛt/

epithet

Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
C1 adjective /ɪnˈɡroʊst/

engrossed

Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
C1 verb /ɪnˈkrəʊtʃ/

encroach

Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
C1 noun /ˈɪrˌplʌɡ/

earplug

Meaning
a device inserted into the ear to block out noise or water
Example
He wore earplugs to sleep during the noisy night.
C1 adjective, verb /ɪɡˈzɛmpt/

exempt

Meaning
Free from an obligation or liability imposed on others.
Example
Students with high grades are exempt from the final exam.
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
C1 verb /ɪnˈtaɪs/

entice

Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
C1 adjective /ˌɛnɪɡˈmætɪk/

enigmatic

Meaning
mysterious and difficult to interpret or understand
Example
He gave me an enigmatic smile.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
C1 noun /ˈɛksədəs/

exodus

Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
C1 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
C1 verb /ɪmˈbrɔɪl/

embroil

Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
C1 noun /ɪnˈdɪrmənt/

endearment

Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
C1 adjective /ɪˈleɪtɪd/

elated

Meaning
Extremely happy and excited.
Example
She was elated when she heard the good news.
C1 noun ɪˌməʊ.ʃəˈnæl.ɪ.ti

emotionality

Meaning
The quality of being driven by emotions rather than reason; emotional responsiveness.
Example
His emotionality often influenced his decisions.
C1 verb ɪˈluː.sɪ.deɪt

elucidate

Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
C1 adverb /ˈiːstwədz/

Eastwards

Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
C1 adjective ˈek.wɪ.tə.bəl

equitable

Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
C1 verb /ɪnˈlɪst/

enlist

Meaning
to join or sign up, especially for military service; to secure someone's support or help
Example
He decided to enlist in the army after graduation.
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
C1 noun /ˈɑːnkɔːr/

encore

Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
C1 verb /ɪnˈsɜːrkəl/

encircle

Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
C1 adjective /ɪkˈsaɪtəbl̩/

excitable

Meaning
easily excited or emotionally aroused
Example
The child was excitable and laughed at every small thing.
C1 adjective /ɪnˈθrɔː.lɪŋ/

enthralling

Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
C1 noun /ˈɒntʊrɑːʒ/

entourage

Meaning
A group of people attending or surrounding an important person.
Example
The celebrity arrived with her entourage of assistants and bodyguards.
C1 noun ˌɛkstərˈnælɪtiz

externalities

Meaning
A side effect or consequence of an industrial or commercial activity.
Example
Pollution is a negative externality of industrialization.
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
C1 noun /ˈɛkstrəˌvɜːrt/

extrovert

Meaning
a person who is outgoing, sociable, and energized by being around other people
Example
As an extrovert, she enjoys meeting new people at social events.
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
C1 noun /ˈjuːlədʒi/

eulogy

Meaning
A speech or piece of writing that praises someone, especially after their death.
Example
Her brother delivered a heartfelt eulogy at the funeral.
C1 verb /ɪkˈstræpəleɪtɪŋ/

extrapolating

Meaning
Extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue.
Example
Extrapolating from the current data, we can estimate the trends for next year.
C1 verb /ɪˈdʒektɪd/

ejected

Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
C1 verb /ɪnˈdɪr/

endear

Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
C1 adjective /ɪˈvæljʊətɪv/

evaluative

Meaning
Relating to or involving evaluation or assessment.
Example
The evaluative phase of the project involves assessing its success.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
C1 verb /ɪˈleɪt/

elate

Meaning
To make someone very happy or proud.
Example
The success of the project elated the whole team.
C1 verb /ˈiːkwəlaɪz/

equalize

Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
C1 adjective + noun এক্সেসিভ স্ট্রেইন

excessive strain

Meaning
An amount of physical pressure or stress that is more than what is normal or acceptable.
Example
Excessive strain on fingers can cause musculoskeletal issues.
C1 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
C1 noun /ɪkˈstɔːr.ʃən/

extortion

Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
C1 verb /ɪˈmænsɪpeɪt/

emancipate

Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
C1 noun /iːl/

Eel

Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

Meaning
the fact or process of being set free from legal, social, or political restrictions
Example
The emancipation of slaves was a significant moment in American history.
C1 verb /ɪnˈɡreɪv/

engrave

Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
C1 verb /ˈɛkstrəˌdaɪt/

extradite

Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

Meaning
To clear someone from blame or accusation.
Example
The court exonerated her from all charges.
C1 verb /ɪˈkɒnəmaɪz/

economize

Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
C1 verb /ɪnˈθrɔːl/

enthrall

Meaning
to captivate or hold someone’s attention completely
Example
The magician’s tricks enthralled the children.
C1 noun /ɪɡˈzɛkjətər/

executor

Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
C1 verb /ɪnˈlaɪvən/

enliven

Meaning
to make something more lively, interesting, or cheerful
Example
Her jokes helped enliven the dull meeting.
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
C1 adjective /ˈen.vi.ə.bəl/

Enviable

Meaning
causing envy; desirable
Example
Her success was enviable among her peers.
C1 noun /ɪkˈskriːʃən/

excretion

Meaning
the process of eliminating waste matter from the body
Example
Excretion is vital for maintaining a healthy body.
C1 verb /ɪˈroʊd/

erode

Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
C1 verb /ɪnˈtrɛntʃ/

entrench

Meaning
To establish something so firmly that it is difficult to change.
Example
The company entrenched its position in the market through innovation.
C1 adjective /ˌiːvænˈdʒɛlɪkəl/

evangelical

Meaning
Relating to the Christian gospel, especially the teachings that emphasize personal faith and the authority of the Bible.
Example
She grew up in an evangelical church community.
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
C1 verb /ɪnˈɡʌlf/

engulf

Meaning
to completely surround or cover something or someone
Example
The village was engulfed by floodwaters.
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
C1 noun /ˈef.ɪ.dʒi/

Effigy

Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
C1 adjective /ɪkˈspiːdiənt/

expedient

Meaning
suitable or convenient for achieving a particular end, sometimes at the expense of morality
Example
It was expedient to take the shortcut despite the risks.
C1 verb /ɪˈdʒɛkt/

eject

Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
C1 verb ɪˈluːd

elude

Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
C1 verb /ɪnˈdaʊ/

endow

Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
C1 noun /ˈiːkwɪnɒks/

equinox

Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
C1 verb /ɛtʃ/

etch

Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
C1 noun/adjective /ɪˈliːtɪst/

elitist

Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
C1 adjective ˈɛl.ə.kwənt

eloquent

Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
C1 adjective ɪˈræt.ɪk

erratic

Meaning
Unpredictable and inconsistent; not even or regular in pattern or movement.
Example
His erratic behavior confused his colleagues.
C1 noun ɪnˈdaʊmənt

endowment

Meaning
An income or form of property given or bequeathed to someone.
Example
The university received a large endowment for research.
C1 noun /ˌɛtɪˈmɒlədʒi/

etymology

Meaning
The study of the origin of words and how their meanings and forms have evolved.
Example
The etymology of the word 'salary' comes from the Latin word for salt.
C1 adjective /ɪˈluːsɪv/

elusive

Meaning
Difficult to find, catch, or achieve; hard to understand or define.
Example
The solution to the problem proved elusive.
C1 adjective /ɪmˈfæt.ɪk/

Emphatic

Meaning
forceful; strong; showing emphasis; expressed with force and conviction
Example
She gave an emphatic 'no' to the proposal.
C1 adjective /ɪˈlɪptɪkl/

elliptical

Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
C1 noun ˈeʃ.ə.lɒn

echelon

Meaning
A level or rank in an organization, a profession, or society.
Example
He climbed to the upper echelon of the corporate world.
C1 verb ɪˈræd.ɪ.keɪt

eradicate

Meaning
To destroy completely; to put an end to something undesirable.
Example
Vaccination programs help eradicate infectious diseases.
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
C1 noun /ˌɛkstrəˈdɪʃən/

extradition

Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
C1 adjective /ɪˈspeʃəl/

especial

Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
C1 adjective /ɪnˈɡreɪnd/

engrained

Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
C1 adjective /ɪˈklɛktɪk/

eclectic

Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
C1 verb /ɪnˈsjuː/

ensue

Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
C1 noun /ɪɡˈzuːbərəns/

exuberance

Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
C1 noun /ɪˈnɪɡ.mə/

enigma

Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
C1 noun /ˈem.ɪ.nəns/

Eminence

Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
C1 noun /ˌɛlɪˈveɪʃən/

elevation

Meaning
The act of raising something to a higher position or level.
Example
The hikers reached a high elevation after hours of climbing.
C1 adjective /ɪkˈsiːdɪŋ/

Exceeding

Meaning
going beyond; surpassing; extremely
Example
The project was completed with exceeding excellence.
C1 verb /ɪɡˈzuːd/

exude

Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
C1 verb /ˈɛkstrɪkeɪt/

extricate

Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
C1 noun /eb/

Ebb

Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
C1 adjective /ˈɜːrstwaɪl/

erstwhile

Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
C1 verb /ɪnˈkæp.sjʊ.leɪt/

encapsulate

Meaning
To express the essential features of something succinctly; to summarize or contain within.
Example
The introduction should encapsulate the main points of the article.
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
C1 verb /ɪˈkweɪt/

equate

Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
C1 adjective /ɪˈɡriːdʒəs/

egregious

Meaning
Outstandingly bad; shocking.
Example
The company was fined for its egregious safety violations.
C1 noun ˌes.kəˈleɪ.ʃən

escalation

Meaning
A rapid increase; a rise.
Example
The escalation of production costs impacts profitability.
C1 verb /ɪkˈspend/

expend

Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
C1 adjective /ˈɜːrθi/

earthy

Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
C1 noun /ˈiːɡətɪst/

egotist

Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
C1 adjective /ɪkˈspænsɪv/

expansive

Meaning
covering a wide area or having a wide range of ideas or emotions
Example
They enjoyed the expansive view from the hilltop.
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
C1 noun /ɪkˈspʌlʃən/

expulsion

Meaning
The act of forcing someone to leave a place, especially a school or country.
Example
His constant misbehavior led to his expulsion from school.
C1 adjective /ɪˈstreɪndʒd/

estranged

Meaning
no longer close or affectionate with someone; alienated
Example
She felt estranged from her family after the long dispute.
C1 noun /ɪkˈspoʊnənt/

exponent

Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
C1 noun /ˈiːɡoʊɪst/

egoist

Meaning
A person who is excessively concerned with themselves; someone who believes in or practices egoism.
Example
She avoided him because he was a selfish egoist.
C1 noun /ˈɛn.kleɪv/

enclave

Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
C1 noun /ˈiːzl̩/

easel

Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.